diff --git a/code/game/turfs/turf_changing.dm b/code/game/turfs/turf_changing.dm
index 5e5d3d9bafd..decd0f2eb3b 100644
--- a/code/game/turfs/turf_changing.dm
+++ b/code/game/turfs/turf_changing.dm
@@ -28,7 +28,7 @@
 
 	if(N == /turf/space)
 		var/turf/below = GetBelow(src)
-		if(istype(below) && !istype(below,/turf/space))
+		if(istype(below) && (air_master.has_valid_zone(below) || air_master.has_valid_zone(src)))
 			N = /turf/simulated/open
 
 	var/obj/fire/old_fire = fire